Fix broken link to mozillians.org.
Fix broken link to mozillians.org.

mozilla/mozmoderator,akatsoulas/mozmoderator,johngian/mozmoderator,akatsoulas/mozmoderator,mozilla/mozmoderator,johngian/mozmoderator,johngian/mozmoderator,akatsoulas/mozmoderator,johngian/mozmoderator,mozilla/mozmoderator